F
U
-
70
F U E L S Y STEM
-
Injection Pump
Adj u s t i n g s h i m thickness
(
co
n
t ' d
)
:
0.60
mm
(0.0236 in.)
0.70
m m
(0.0276
in.)
0.80
mm
(0.03 1 5
in.)
0.90
m m
(0.0354
in.l
1 ,00
m m
10.0394 in.)
1 . 1 0
m m
(0.0433
in.)
1 .20
mm
(0.0472 in.)
1 . 30
m m
(0.0 5 1 9
in.)
1 .40
m m
(0.0551
in.)
NOTE:
•
The pre-stroke will i ncrease with
a
decrease i n shim
thickness and decrease with an increase .
•
When adjusting t h e pre-stroke. t h e match malks placed
o n the pump and pump re lainer during disassembly
may nol align. Therefore, make a nole
o j the
pre-st roke
value for installation of the pump retainer.
B .
Adjust I njection Interval
(a)
Using the NO. 1 cylinder injection s tarting l i m e posi
'ion as a base. measure t h e i njection starling angles
in the order o f injection.
Cylinder
N o .
I n j ec t i o n starting
angle
-
5 9 · 3 0 ' -
60·30'
2 3 9°30' - 240°30'
299'30' - 300'30'
(bl
Adjust by using the same procedure as pre-stroke
adjustment.
NOTE:
The
injection starting angle will change about
30'
with
0 . 1
m m
(0,004
in.) Change is shim thickness.
C.
Adjust Tappet
C learance
(a) Using SST
(Al.
i nsert the
0.2
mm
(0.008
i n ) gauge of
SST
(8)
between Ihe spring lower seat and adjusting
shim. and rOl a l e the camshaft slowly.
SST
09260-4 70 1 0 (09 280-4 6 0 ' 0, 0 9 2 8 8 - 4 6 0 1 1 )
Tappet clearance :
0.2
m m
(0.008
in.) o r
m
o
r
e
CAUTIO N : If
t
he
r
e
is
i n terference
between the
plunger driving face
a
n
d
lower
p o
rt
i
o
n o f
t h e cylinder.
or i f resistance is felt w hil e rotating t h e camshaft, it
indicates that t
h
e
r
e
is
less
than
0.2
m m
(0.008
in.l
c learance
so, do
not rotate
it
any
further.
.,
Содержание 12H-T
Страница 1: ...TOYOTA 2 H 1 2 H T ENGINE REPAIR MANUAL Nov 1985 ...
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